![Eun-Seok Ko](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Eun-Seok Ko
Director/Board Member at
PHILOPTICS CO., LTD.
Net worth: 96 913 $ as of 2026-09-29
Profile
Eun-Seok Ko currently works at Philoptics Co., Ltd., as Independent Director.
Dr. Ko received his doctorate degree from Hanyang University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
PHILOPTICS CO., LTD. 0.01% | 2025-11-23 | 3,325 ( 0.01% ) | 96 913 $ | 2026-09-29 |
Eun-Seok Ko active positions
| Companies | Position | Start |
|---|---|---|
| PHILOPTICS CO., LTD. | Director/Board Member | - |
Education of Eun-Seok Ko
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
8
1st degree connections
2
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 2 |
|---|---|
Hanyang University
 Hanyang University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Philoptics Co., Ltd.
 Philoptics Co., Ltd. Industrial MachineryProducer Manufacturing Develops semiconductor machinery | Producer Manufacturing |
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- Eun-Seok Ko
